"""
Discord AI Bot - Automation Features
Author: RSK World
Website: https://rskworld.in
Email: help@rskworld.in
Phone: +91 93305 39277
Year: 2026
"""

import discord
from discord.ext import commands
from collections import defaultdict
import time

class Automation(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
        self.last_messages = defaultdict(list)
        self.spam_threshold = 3
        self.spam_interval = 5

    @commands.Cog.listener()
    async def on_member_join(self, member):
        try:
            channel = member.guild.system_channel or discord.utils.get(member.guild.text_channels, name="general")
            if channel:
                embed = discord.Embed(
                    title=f"Welcome to {member.guild.name}!",
                    description=f"Hello {member.mention}, we're glad to have you here! Powered by RSK World AI.",
                    color=discord.Color.purple()
                )
                embed.set_thumbnail(url=member.display_avatar.url)
                await channel.send(embed=embed)
        except discord.Forbidden:
            pass  # Bot doesn't have permission to send messages
        except Exception:
            pass  # Silently fail to avoid spam

    @commands.Cog.listener()
    async def on_message(self, message):
        if message.author.bot or not message.guild:
            return

        user_id = message.author.id
        current_time = time.time()
        self.last_messages[user_id] = [m for m in self.last_messages[user_id] if current_time - m[0] < self.spam_interval]
        duplicates = [m for m in self.last_messages[user_id] if m[1] == message.content]
        
        if len(self.last_messages[user_id]) >= self.spam_threshold or len(duplicates) >= 2:
            try:
                await message.delete()
                await message.channel.send(f"{message.author.mention}, please slow down! Anti-spam active.", delete_after=5)
            except discord.Forbidden:
                pass
        else:
            self.last_messages[user_id].append((current_time, message.content))

async def setup(bot):
    await bot.add_cog(Automation(bot))